Window for package



FIG. 1 is a perspective view of a window for package embodying the design;

FIG. 2 is a front view of a window for package embodying the design;

FIG. 3 is a side view of a window for package embodying the design; and,

FIG. 4 is a side view of a window for package embodying the design.

The broken lines are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a window for package, as shown and described. 